Comprehensive side-by-side LLM comparison
Grok 4 Fast supports multimodal inputs. Both models have their strengths depending on your specific coding needs.
xAI
Grok 4 Fast is a multimodal language model developed by xAI. It achieves strong performance with an average score of 73.0% across 7 benchmarks. It excels particularly in SimpleQA (95.0%), HMMT 2025 (93.3%), AIME 2025 (92.0%). With a 2.0M token context window, it can handle extensive documents and complex multi-turn conversations. The model is available through 1 API provider. As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2025, it represents xAI's latest advancement in AI technology.
IBM
Granite 4.0 Tiny Preview was introduced as an experimental ultra-compact model, designed to demonstrate IBM's progress in efficient model development. Built to explore the boundaries of what small models can achieve for enterprise applications, it represents an early look at next-generation Granite capabilities.
3 months newer

IBM Granite 4.0 Tiny Preview
IBM
2025-05-02

Grok 4 Fast
xAI
2025-08-28
Context window and performance specifications
Available providers and their performance metrics

Grok 4 Fast
xAI

IBM Granite 4.0 Tiny Preview

Grok 4 Fast

IBM Granite 4.0 Tiny Preview

Grok 4 Fast

IBM Granite 4.0 Tiny Preview